Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2024, 10:19

General

  • Target
    1fcf14427eaf27644a164e4193bfdd68a377d8e8301ada30afaa10d2932b1602.exe
  • Size 753KB
  • Sample241122-mcm1dayndv
  • SHA256 1fcf14427eaf27644a164e4193bfdd68a377d8e8301ada30afaa10d2932b1602
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xred

C2
  • xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Signatures

  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1fcf14427eaf27644a164e4193bfdd68a377d8e8301ada30afaa10d2932b1602.exe
    "C:\Users\Admin\AppData\Local\Temp\1fcf14427eaf27644a164e4193bfdd68a377d8e8301ada30afaa10d2932b1602.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:116
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2508

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Synaptics.exe

        • Path C:\ProgramData\Synaptics\Synaptics.exe
        • Size 753KB
        • SHA256 1fcf14427eaf27644a164e4193bfdd68a377d8e8301ada30afaa10d2932b1602
        • MD5 SHA1 SHA512 SSDEEP

        62875E00

        • Path C:\Users\Admin\AppData\Local\Temp\62875E00
        • Size 21KB
        • SHA256 71c1424c1be6e5b4840575a9696ac3949357cc54f95a0a64614ee18c2ec1cf84
        • MD5 SHA1 SHA512 SSDEEP

        YwfNVdpT.xlsm

        • Path C:\Users\Admin\AppData\Local\Temp\YwfNVdpT.xlsm
        • Size 17KB
        • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
        • MD5 SHA1 SHA512 SSDEEP

        memory/116-163-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/116-65-0x0000000000680000-0x0000000000681000-memory.dmp

        memory/116-133-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/116-129-0x0000000000680000-0x0000000000681000-memory.dmp

        memory/2508-67-0x00007FFBF070D000-0x00007FFBF070E000-memory.dmp

        memory/2508-73-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

        memory/2508-71-0x00007FFBB06F0000-0x00007FFBB0700000-memory.dmp

        memory/2508-72-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

        memory/2508-75-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

        memory/2508-80-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

        memory/2508-79-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

        memory/2508-78-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

        memory/2508-77-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

        memory/2508-76-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

        memory/2508-74-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

        memory/2508-70-0x00007FFBB06F0000-0x00007FFBB0700000-memory.dmp

        memory/2508-81-0x00007FFBADE70000-0x00007FFBADE80000-memory.dmp

        memory/2508-82-0x00007FFBADE70000-0x00007FFBADE80000-memory.dmp

        memory/2508-66-0x00007FFBB06F0000-0x00007FFBB0700000-memory.dmp

        memory/2508-69-0x00007FFBB06F0000-0x00007FFBB0700000-memory.dmp

        memory/2508-68-0x00007FFBB06F0000-0x00007FFBB0700000-memory.dmp

        memory/2508-130-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

        memory/2508-131-0x00007FFBF070D000-0x00007FFBF070E000-memory.dmp

        memory/2508-132-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

        memory/5056-0-0x00000000007C0000-0x00000000007C1000-memory.dmp

        memory/5056-64-0x0000000000400000-0x00000000004C2000-memory.dmp